50273209 has 4 divisors (see below), whose sum is σ = 57455104. Its totient is φ = 43091316.

The previous prime is 50273207. The next prime is 50273231. The reversal of 50273209 is 90237205.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90237205 = 5 ⋅18047441.

It is a cyclic number.

It is not a de Polignac number, because 50273209 - 2¹ = 50273207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50273207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3590937 + ... + 3590950.

It is an arithmetic number, because the mean of its divisors is an integer number (14363776).

Almost surely, 2^50273209 is an apocalyptic number.

It is an amenable number.

50273209 is a deficient number, since it is larger than the sum of its proper divisors (7181895).

50273209 is an equidigital number, since it uses as much as digits as its factorization.

50273209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7181894.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 50273209 is about 7090.3602870376. The cubic root of 50273209 is about 369.0729384340.

The spelling of 50273209 in words is "fifty million, two hundred seventy-three thousand, two hundred nine".